Our expert says:
The adrenal gland is next to the kidney "ad" next to "renal" kidney. There are salivary glands and lymphnodes where you describe the swelling. It is important to differentiate them as enlarged salivary glands may not be a problem (salivary gland inflammation is usually very painful) but enlarged lymphnodes may well be a problem. Please have your vet check him over and let us know what he finds. Thanks.
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